/*************************************************************************/ /*!
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@File
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@Title Functions for creating debugfs directories and entries.
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@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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@License Dual MIT/GPLv2
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The contents of this file are subject to the MIT license as set out below.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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Alternatively, the contents of this file may be used under the terms of
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the GNU General Public License Version 2 ("GPL") in which case the provisions
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of GPL are applicable instead of those above.
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If you wish to allow use of your version of this file only under the terms of
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GPL, and not to allow others to use your version of this file under the terms
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of the MIT license, indicate your decision by deleting the provisions above
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and replace them with the notice and other provisions required by GPL as set
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out in the file called "GPL-COPYING" included in this distribution. If you do
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not delete the provisions above, a recipient may use your version of this file
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under the terms of either the MIT license or GPL.
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This License is also included in this distribution in the file called
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"MIT-COPYING".
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EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
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PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
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COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/ /**************************************************************************/
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#if !defined(__PVR_DEBUGFS_H__)
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#define __PVR_DEBUGFS_H__
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#include <linux/debugfs.h>
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#include <linux/seq_file.h>
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#include "img_types.h"
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#include "osfunc.h"
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typedef ssize_t (PVRSRV_ENTRY_WRITE_FUNC)(const char __user *pszBuffer,
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size_t uiCount,
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loff_t uiPosition,
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void *pvData);
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typedef IMG_UINT32 (PVRSRV_INC_STAT_MEM_REFCOUNT_FUNC)(void *pvStatPtr);
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typedef IMG_UINT32 (PVRSRV_DEC_STAT_MEM_REFCOUNT_FUNC)(void *pvStatPtr);
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typedef IMG_UINT32 (PVRSRV_INC_FSENTRY_PVDATA_REFCNT_FN)(void *pvData);
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typedef IMG_UINT32 (PVRSRV_DEC_FSENTRY_PVDATA_REFCNT_FN)(void *pvData);
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typedef struct _PVR_DEBUGFS_DIR_DATA_ {
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struct dentry *psDir;
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struct _PVR_DEBUGFS_DIR_DATA_ *psParentDir;
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IMG_UINT32 ui32RefCount;
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} PVR_DEBUGFS_DIR_DATA;
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struct _PVR_DEBUGFS_ENTRY_DATA_;
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typedef struct _PVR_DEBUGFS_DRIVER_STAT_ {
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void *pvData;
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OS_STATS_PRINT_FUNC *pfnStatsPrint;
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PVRSRV_INC_STAT_MEM_REFCOUNT_FUNC *pfnIncStatMemRefCount;
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PVRSRV_DEC_STAT_MEM_REFCOUNT_FUNC *pfnDecStatMemRefCount;
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IMG_UINT32 ui32RefCount;
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struct _PVR_DEBUGFS_ENTRY_DATA_ *pvDebugFSEntry;
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} PVR_DEBUGFS_DRIVER_STAT;
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typedef struct _PVR_DEBUGFS_ENTRY_DATA_ {
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struct dentry *psEntry;
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PVR_DEBUGFS_DIR_DATA *psParentDir;
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IMG_UINT32 ui32RefCount;
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PVR_DEBUGFS_DRIVER_STAT *psStatData;
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} PVR_DEBUGFS_ENTRY_DATA;
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#if defined(PVRSRV_ENABLE_MEMTRACK_STATS_FILE)
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typedef struct _PVR_DEBUGFS_RAW_DRIVER_STAT_ {
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OS_STATS_PRINT_FUNC *pfStatsPrint;
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PVR_DEBUGFS_ENTRY_DATA *pvDebugFsEntry;
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} PVR_DEBUGFS_RAW_DRIVER_STAT;
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#endif
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int PVRDebugFSInit(void);
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void PVRDebugFSDeInit(void);
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int PVRDebugFSCreateEntryDir(IMG_CHAR *pszName,
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PVR_DEBUGFS_DIR_DATA *psParentDir,
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PVR_DEBUGFS_DIR_DATA **ppsNewDir);
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void PVRDebugFSRemoveEntryDir(PVR_DEBUGFS_DIR_DATA **ppsDir);
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int PVRDebugFSCreateEntry(const char *pszName,
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PVR_DEBUGFS_DIR_DATA *psParentDir,
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const struct seq_operations *psReadOps,
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PVRSRV_ENTRY_WRITE_FUNC *pfnWrite,
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PVRSRV_INC_FSENTRY_PVDATA_REFCNT_FN *pfnIncPvDataRefCnt,
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PVRSRV_DEC_FSENTRY_PVDATA_REFCNT_FN *pfnDecPvDataRefCnt,
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void *pvData,
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PVR_DEBUGFS_ENTRY_DATA **ppsNewEntry);
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void PVRDebugFSRemoveEntry(PVR_DEBUGFS_ENTRY_DATA **ppsDebugFSEntry);
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PVR_DEBUGFS_DRIVER_STAT *PVRDebugFSCreateStatisticEntry(const char *pszName,
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PVR_DEBUGFS_DIR_DATA *psDir,
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OS_STATS_PRINT_FUNC *pfnStatsPrint,
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PVRSRV_INC_STAT_MEM_REFCOUNT_FUNC *pfnIncStatMemRefCount,
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PVRSRV_INC_STAT_MEM_REFCOUNT_FUNC *pfnDecStatMemRefCount,
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void *pvData);
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void PVRDebugFSRemoveStatisticEntry(PVR_DEBUGFS_DRIVER_STAT *psStatEntry);
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#if defined(PVRSRV_ENABLE_MEMTRACK_STATS_FILE)
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PVR_DEBUGFS_RAW_DRIVER_STAT *PVRDebugFSCreateRawStatisticEntry(
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const IMG_CHAR *pszFileName,
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void *pvParentDir,
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OS_STATS_PRINT_FUNC* pfnStatsPrint);
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void PVRDebugFSRemoveRawStatisticEntry(PVR_DEBUGFS_RAW_DRIVER_STAT *psStatEntry);
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#endif
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#endif /* !defined(__PVR_DEBUGFS_H__) */
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